Clamp



Feb. 14, 1928.

- 1,659,302 L. REINHARDT CLAMP Filed March 28. 1927 v I gI M Gw 7/ Lam/.5 Earnhardt Patented Feb. 14,192& V l i l l 1,659,302

UNITED STATES PATENT GFFiCtZ.

LOUIS REINI-IARDT, 02E MANITOWOC, WISCONSIN.

CLAMP.

Application filed March 28, 1927. Serial No. 179,006.

My invention refers to clamps, and is esa centrally apertured circular head f having pecially adapted for use in connect-ion with a rivet or pivot pin 5 passing through the woodwork wherein the clamp is utilized as apertured head and confines the upper and a work bench for receiving boards, doors, lower jaws 6 of an oscillatory clamping shoe 55 5 window sashes, or the like. 7. The shoe is provided with a fixed jaw 8 A specific object of the invention is to and an adjustable gripping pad 9 which is provide a pivotal clamp head for the work, carried by a threaded clamping screw 10 the same being connected to an anchor clamp that engages an offset ear 11 of the shoe. whereby said anchor clamp can be adjusted The work, such for example as a door or 60 to a wall joist, or other suitable member, window, is rigidly gripped between the pad and the pivotal clamp can be adjusted to 9 and the jaw 8 of the shoe, as best shown bring the work clamped therein at any dein Figure 1. sired angle for more readily operating upon When it is desired to adjust the angle of said work. the work, as indicated in dotted lines, the c5 Heretofore in the use of clamps of this shoe is swung upon its pivot to the desired general type, which are arranged to be fasangle, and thereafter a locking pin 12 is fittened near the wall of a shop, the work is ted through alined apertures of the jaws 6,

gripped by a ratchet clamping member and said pin being also passed through any one frequently such ratchet clamping member of a series of apertures 13 that are radially 7o was so positioned that the work was in alinepositioned about the circular head 4, Hence, ment with the adjacent wall, whereby it was it will be seen that the work is thus locked quite inconvenient for the manipulation of in any predetermined position.

tools. In other words, the adjustable fea- The clamping bar, which forms the vise ture of my clamp is to swing the work clear for the device whereby it is anchored, is pro- 75 i of any wall obstruction to a position where vided with a threaded clamping screw 14 it can be conveniently operated upon. which is in union with a boss 15 that ex- With the above and other minor objects tends from an arm of the head. The clampin view, the invention consists in certain peing screw carries a pad 16, the heel of which cularities of construction and combination pad is slotted for engagement with the bar 80 of parts, as will be hereinafter set forth 1 whereby it is held against rotation. This with reference to the drawings and subsepad functions in conjunction with the foot quently claimed. 3, whereby the vise member is anchored to In the drawings the joist A. Figure 1 represents a plan view ofaclamp From the fore oing description it is ob 5 embodying the features of my invention, vious that the vise portion of the tool can with parts broken away and other parts in quickly be locked to any stationary point of section to illustrate the structural features anchorage, and thereafter when the work is more clearly. locked within the jaw members of the shoe Figure 2 is a side elevation of the same, 7, it can be swung radially about the pivot 90 and 1 bolt 5 and locked in any predetermined po- Figure 3 is a detail cross section, the secsition by insertion of the pin 12. Hence, an tion being indicated by line 33 of Figartisan can readily arrange his work at a ure 1. convenient angle, whereby it can be planed,

Referring by characters to the drawing, A or otherwise worked upon, without interfer- 95 represents the exposed joist of a wall, for ence from any wall obstruction. example, and B the wall line. Secured to I claim w the joist is a standard clamping bar 1 pro- As a new article of manufacture, a woodvided with ratchet teeth :2 for adjustable working clamp comprising a bar terminatlocking engagement with a foot 3, which ing with a circular head having a projecting 100 foot is shown engaged with the joist A. The arm, the circular head being provided with clamping bar at its outer end terminates in a series of apertures, clamping means carried by the arm and bar, whereby the device is rigidly looked, a shoe having jaws overlapping the circular head, the jaws being in pivotal union therewith and having aiined 5 apertures therethrough, a pin for selectively locking the shoe at any predetermined angle with relation to the head, and clamping means carried by the head for rigidly securing work thereto.

In testimony that I claim the foregoing 10 I have hereunto set my hand at Mzmitowoo, in the county of h lanitoii'oe, and, State of Wisconsin.

LOUIS RE I NHA iii 1)! 

